Translation of octagonal in German

And I think it is really good idea for us to writing with each other in Spanish or English. however i am still beginner for Spanish learning. It seems still impossible for me to writing to you in Spanish. But i hope i can do it soon.
We cursed our bus driver and tour guide and everybody knew that these people were not professional. After 2 hours we arrived at the destination. It was a little boat station on a riverbank.
We checked in at the Hotel de Paris, a small hotel owned by a friendly, old lady. Our rooms were OK, but we asked to be transferred to the newer part of the hotel. The stomach ache of my wife did not disappear.